United Airlines flights from Dulles, Washington (IAD) to Louisville (SDF).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 12:40 Dulles, Washington (IAD) 14:20 Louisville (SDF)
United Airlines UA 251 Non-stop Boeing 737-900 (739) 1:40 Operates only on 2025-05-04
Thu 12:45 Dulles, Washington (IAD) 14:25 Louisville (SDF)
United Airlines UA 251 Non-stop Airbus A319 (319) 1:40 Operates only on 2025-05-01
Sat 17:55 Dulles, Washington (IAD) 19:42 Louisville (SDF)
United Airlines UA 593 Non-stop Boeing 737-900 (739) 1:47 Operates only on 2025-05-03
Sun 08:30 Dulles, Washington (IAD) 10:14 Louisville (SDF)
United Airlines UA 1407 Non-stop Boeing 737 MAX 8 (7M8) 1:44 Operates only on 2025-05-04
Daily 08:29 Dulles, Washington (IAD) 10:16 Louisville (SDF)
United Airlines UA 3473 Non-stop Embraer EMB 175 (E7W) 1:47 Effective 2025-05-22 through 2025-06-25
Mon-Sat 08:30 Dulles, Washington (IAD) 10:19 Louisville (SDF)
United Airlines UA 3473 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:49 Valid until 2025-05-10
Daily 08:30 Dulles, Washington (IAD) 10:19 Louisville (SDF)
United Airlines UA 3473 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:49 Effective 2025-05-11 through 2025-05-21
Daily 08:40 Dulles, Washington (IAD) 10:27 Louisville (SDF)
United Airlines UA 3473 Non-stop Embraer EMB 175 (E7W) 1:47 Effective 2025-06-26 through 2025-08-18
Daily 17:10 Dulles, Washington (IAD) 18:49 Louisville (SDF)
United Airlines UA 3570 Non-stop Embraer EMB 175 (E7W) 1:39 Effective from 2025-10-26
Mon-Fri,Sun 17:55 Dulles, Washington (IAD) 19:47 Louisville (SDF)
United Airlines UA 6128 Non-stop Embraer EMB 175 (E7W) 1:52 Valid until 2025-05-09
Daily 17:55 Dulles, Washington (IAD) 19:47 Louisville (SDF)
United Airlines UA 6128 Non-stop Embraer EMB 175 (E7W) 1:52 Effective 2025-05-10 through 2025-05-21
Daily 09:00 Dulles, Washington (IAD) 10:39 Louisville (SDF)
United Airlines UA 6170 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2025-10-26 through 2025-12-01
Mon-Sat 12:45 Dulles, Washington (IAD) 14:30 Louisville (SDF)
United Airlines UA 6195 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2025-05-02 through 2025-05-10
Daily 12:45 Dulles, Washington (IAD) 14:30 Louisville (SDF)
United Airlines UA 6195 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2025-05-11 through 2025-05-21
Daily 12:50 Dulles, Washington (IAD) 14:40 Louisville (SDF)
United Airlines UA 6195 Non-stop Embraer EMB 175 (E7W) 1:50 Effective 2025-06-26 through 2025-08-18
Daily 12:53 Dulles, Washington (IAD) 14:41 Louisville (SDF)
United Airlines UA 6195 Non-stop Embraer EMB 175 (E7W) 1:48 Effective 2025-05-22 through 2025-06-25
Daily 13:00 Dulles, Washington (IAD) 14:47 Louisville (SDF)
United Airlines UA 6195 Non-stop Embraer EMB 175 (E7W) 1:47 Effective from 2025-10-26
Daily 13:05 Dulles, Washington (IAD) 14:50 Louisville (SDF)
United Airlines UA 6195 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2025-08-19 through 2025-10-25
Mon,Thu-Sun 17:50 Dulles, Washington (IAD) 19:41 Louisville (SDF)
United Airlines UA 6242 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-06-26 through 2025-06-30
Daily 17:50 Dulles, Washington (IAD) 19:41 Louisville (SDF)
United Airlines UA 6242 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-08-01 through 2025-08-18
Daily 17:55 Dulles, Washington (IAD) 19:46 Louisville (SDF)
United Airlines UA 6242 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-05-22 through 2025-06-25
Daily 18:45 Dulles, Washington (IAD) 20:32 Louisville (SDF)
United Airlines UA 6242 Non-stop Embraer EMB 175 (E7W) 1:47 Effective 2025-09-25 through 2025-10-25
Daily 19:15 Dulles, Washington (IAD) 21:06 Louisville (SDF)
United Airlines UA 6242 Non-stop Embraer EMB 175 (E7W) 1:51 Effective 2025-07-01 through 2025-07-31
Daily 19:15 Dulles, Washington (IAD) 21:02 Louisville (SDF)
United Airlines UA 6242 Non-stop Embraer EMB 175 (E7W) 1:47 Effective 2025-08-19 through 2025-09-24




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United Airlines flights from Dulles, Washington (IAD) to Louisville (SDF).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA251
12:40
Dulles, Washington (IAD)

14:20
Louisville (SDF)
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-900 (739)
United Airlines UA251
12:45
Dulles, Washington (IAD)

14:25
Louisville (SDF)
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Airbus A319 (319)
United Airlines UA593
17:55
Dulles, Washington (IAD)

19:42
Louisville (SDF)
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:47, non-stop
Boeing 737-900 (739)
United Airlines UA1407
08:30
Dulles, Washington (IAD)

10:14
Louisville (SDF)
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:44, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA3473
08:29
Dulles, Washington (IAD)

10:16
Louisville (SDF)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3473
08:30
Dulles, Washington (IAD)

10:19
Louisville (SDF)
Valid until 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:49, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3473
08:30
Dulles, Washington (IAD)

10:19
Louisville (SDF)
Effective 2025-05-11 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3473
08:40
Dulles, Washington (IAD)

10:27
Louisville (SDF)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3570
17:10
Dulles, Washington (IAD)

18:49
Louisville (SDF)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6128
17:55
Dulles, Washington (IAD)

19:47
Louisville (SDF)
Valid until 2025-05-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6128
17:55
Dulles, Washington (IAD)

19:47
Louisville (SDF)
Effective 2025-05-10 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6170
09:00
Dulles, Washington (IAD)

10:39
Louisville (SDF)
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6195
12:45
Dulles, Washington (IAD)

14:30
Louisville (SDF)
Effective 2025-05-02 through 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6195
12:45
Dulles, Washington (IAD)

14:30
Louisville (SDF)
Effective 2025-05-11 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6195
12:50
Dulles, Washington (IAD)

14:40
Louisville (SDF)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6195
12:53
Dulles, Washington (IAD)

14:41
Louisville (SDF)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6195
13:00
Dulles, Washington (IAD)

14:47
Louisville (SDF)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6195
13:05
Dulles, Washington (IAD)

14:50
Louisville (SDF)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6242
17:50
Dulles, Washington (IAD)

19:41
Louisville (SDF)
Effective 2025-06-26 through 2025-06-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6242
17:50
Dulles, Washington (IAD)

19:41
Louisville (SDF)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6242
17:55
Dulles, Washington (IAD)

19:46
Louisville (SDF)
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6242
18:45
Dulles, Washington (IAD)

20:32
Louisville (SDF)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6242
19:15
Dulles, Washington (IAD)

21:06
Louisville (SDF)
Effective 2025-07-01 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E7W)
United Airlines UA6242
19:15
Dulles, Washington (IAD)

21:02
Louisville (SDF)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E7W)
  • A domestic route departing from the Dulles, Washington airport (IAD) and arriving at Louisville airport (SDF).
  • The flight distance is 450 miles, or 725 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:39 and 1:52.
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